Re: [malware-list] [RFC 0/5] [TALPA] Intro to a linux interface for on access scanning

Christoph Hellwig
2008-08-05T00:28:58Z

On Mon, Aug 04, 2008 at 03:32:49PM -0700, Greg KH wrote:
> > 1. Intercept file opens (exec also) for vetting (block until
> > decision is made) and allow some userspace black magic to make
> > decisions.

NACK, this kind of policy should be done in kernelspace.

> > 2. Intercept file closes for scanning post access

Not even possible for mmap, and dumb otherwise, NACK.

> > 6. Scan files directly not relying on path. Avoid races and problems with namespaces, chroot, containers, etc.

Explain?

> > 9. Mark a processes as exempt from on access scanning

Nack, this completely defeats the purpose.

> > 11. Exclude sub-trees from scanning based on filesystem path
> > 12. Include only certain sub-trees from scanning based on filesystem path

Nack, please no pathname based idiocies.